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mb/google/rex: Enable ISH support 

Enable ISH based on FW_CONFIG obtained from EC CBI. This is useful in
case device is a tablet and motion sensors are handled by ISH instead
of EC.

BUG=b:280329972,b:283023296
TEST= Set bit 21 of FW_CONFIG with CBI
      Boot rex board
      Check that ISH is enabled and loaded

Signed-off-by: Bernardo Perez Priego <bernardo.perez.priego@intel.com>
Change-Id: Ibe0e1b8ce2c9b08ac6b1e6fef9bd19afc9b4f59f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75039
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Bernardo Perez Priego 2023-05-08 17:53:13 -07:00 committed by Martin L Roth
parent 5e6319b0f5
commit f8f4eda8b8
3 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/mainboard/google/rex/Kconfig
View File

@ -68,8 +68,8 @@ config DEVICETREE
default "variants/baseboard/\$(CONFIG_BASEBOARD_DIR)/devicetree.cb"
config FMDFILE
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos_ec_ish-debug-fsp.fmd" if CHROMEOS && DRIVERS_INTEL_ISH && BUILDING_WITH_DEBUG_FSP
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos_ec_ish.fmd" if CHROMEOS && DRIVERS_INTEL_ISH
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos_ec_ish-debug-fsp.fmd" if CHROMEOS && BOARD_GOOGLE_REX_EC_ISH && BUILDING_WITH_DEBUG_FSP
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos_ec_ish.fmd" if CHROMEOS && BOARD_GOOGLE_REX_EC_ISH
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos-debug-fsp.fmd" if CHROMEOS && BUILDING_WITH_DEBUG_FSP
default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos.fmd" if CHROMEOS

1
src/mainboard/google/rex/Kconfig.name
View File

@ -5,6 +5,7 @@ config BOARD_GOOGLE_REX0
select BOARD_GOOGLE_BASEBOARD_REX
select DRIVERS_GENERIC_MAX98357A
select DRIVERS_GENESYSLOGIC_GL9755
select DRIVERS_INTEL_ISH
select DRIVERS_INTEL_SOUNDWIRE
select DRIVERS_SOUNDWIRE_CS42L42
select DRIVERS_SOUNDWIRE_MAX98363

11
src/mainboard/google/rex/variants/rex0/overridetree.cb
View File

@ -50,6 +50,10 @@ fw_config
option VPU_DIS 0
option VPU_EN 1
end
field ISH 21
option ISH_DISABLE 0
option ISH_ENABLE 1
end
end
chip soc/intel/meteorlake
@ -277,6 +281,13 @@ chip soc/intel/meteorlake
.flags = PCIE_RP_LTR | PCIE_RP_AER,
}"
end #PCIE9 SSD card
device ref ish on
probe ISH ISH_ENABLE
chip drivers/intel/ish
register "firmware_name" = ""rex_ish.bin""
device generic 0 on end
end
end
device ref tbt_pcie_rp0 on end
device ref tbt_pcie_rp2 on end
device ref vpu on